| NCT04461665 |
Effects of Vitamin D Supplementation on Immune Function in Infants |
https://ClinicalTrials.gov/show/NCT04461665 |
Completed |
Shih Chien University |
2016-06-17 |
| NCT03385356 |
Impact of Vitamin D Supplementation in Patients With Multiple Sclerosis |
https://ClinicalTrials.gov/show/NCT03385356 |
Completed |
University Medical Centre Maribor |
2018-04-30 |
| NCT03401541 |
25-Hydroxyvitamin D Pharmacokinetic Study |
https://ClinicalTrials.gov/show/NCT03401541 |
Completed |
Boston University |
2019-04-01 |
| NCT03380091 |
Metformin, Vitamin D, and Depression in Polycystic Ovary Syndrome (PCOS) Trial |
https://ClinicalTrials.gov/show/NCT03380091 |
Recruiting |
University of California, San Francisco |
2021-04-30 |
| NCT03369379 |
Valuation of Efficacy and Safety of Vitamin D3 Use in 80 Women Diagnosed With Fibromyalgia. Using FIQ Score and VAS. |
https://ClinicalTrials.gov/show/NCT03369379 |
Completed |
Universidad Autonoma de Nuevo Leon |
2017-12-31 |
| NCT03342651 |
Preoperative Vitamin D Levels and Respiratory Complications of General Anesthesia |
https://ClinicalTrials.gov/show/NCT03342651 |
Completed |
T.C. ORDU ÜNİVERSİTESİ |
2016-04-01 |
| NCT03339427 |
Intervention Study of Vitamin D Supplementation to Prevent Cardiovascular Disease |
https://ClinicalTrials.gov/show/NCT03339427 |
Completed |
Chinese PLA General Hospital |
2015-01-31 |
| NCT03334136 |
The Effect of Vitamin D Supplementation on Psoriasis Severity |
https://ClinicalTrials.gov/show/NCT03334136 |
Recruiting |
University Hospital of North Norway |
2028-05-28 |
| NCT03333564 |
Effect of Vitamin D3 and Omega-3FA on Estradiol |
https://ClinicalTrials.gov/show/NCT03333564 |
Completed |
Applied Science Private University |
2017-02-28 |
| NCT03318029 |
Vitamin D Supplementation and Sunlight Exposure in Brazilian Women Living in Opposite Latitudes (The D-SOL Study) |
https://ClinicalTrials.gov/show/NCT03318029 |
Completed |
University of Surrey |
2017-09-25 |
| NCT03310307 |
Vitamin D3 Treatment and Homocysteine Concentrations Among Overweight Reproductive Women |
https://ClinicalTrials.gov/show/NCT03310307 |
Completed |
Al-Balqa Applied University |
2016-08-30 |
| NCT03310242 |
Comparison of Sunlight Exposure and Vitamin D Supplementation on Serum 25-hydroxyvitamin D Levels |
https://ClinicalTrials.gov/show/NCT03310242 |
Completed |
Seoul National University Hospital |
2015-11-25 |
| NCT03272126 |
Importance of Dosing Regimen for the Effect of Vitamin D Supplementation |
https://ClinicalTrials.gov/show/NCT03272126 |
Completed |
University of Tromso |
2018-04-01 |
| NCT03258086 |
Vitamin D in Diabetic Children |
https://ClinicalTrials.gov/show/NCT03258086 |
Completed |
Assiut University |
2017-08-31 |
| NCT03232216 |
Vitamin D Supplementation and Tibia Fracture. Does it Improve Healing Rate? |
https://ClinicalTrials.gov/show/NCT03232216 |
Recruiting |
Hospital del Trabajador de Santiago |
2021-08-18 |
| NCT03213886 |
The Effect of Supplementation of Vitamin D Deficiency in Older People With Acute Hip Fracture: |
https://ClinicalTrials.gov/show/NCT03213886 |
Recruiting |
Consorci Sanitari de Terrassa |
2019-04-20 |
| NCT03193944 |
Vitamin D Supplementation on Metabolic Syndrome Indicators Among Older Adults, Alborz Province, Iran |
https://ClinicalTrials.gov/show/NCT03193944 |
Completed |
Alborz Medical University |
2017-05-10 |
| NCT03188796 |
The VITDALIZE Study: Effect of High-dose Vitamin D3 on 28-day Mortality in Adult Critically Ill Patients |
https://ClinicalTrials.gov/show/NCT03188796 |
Recruiting |
Medical University of Graz |
2022-12-31 |
| NCT03176849 |
A Randomized Phase IV Control Trial of Single High Dose Oral Vitamin D3 in Pediatric Patients Undergoing HSCT |
https://ClinicalTrials.gov/show/NCT03176849 |
Enrolling by invitation |
Phoenix Children’s Hospital |
2019-09-01 |
| NCT03151174 |
Effects of Vitamin D Supplementation on Strength, Bone Density, and Injury Risk in Collegiate Athletes |
https://ClinicalTrials.gov/show/NCT03151174 |
Completed |
Virginia Polytechnic Institute and State University |
2018-05-15 |
| NCT03144128 |
Vitamin D for Muscle Metabolic Function in Cancer Cachexia |
https://ClinicalTrials.gov/show/NCT03144128 |
Recruiting |
University of Kentucky |
2021-12-31 |
| NCT03141593 |
Oral Vitamin D Substitution Weekly or Monthly and Adherence |
https://ClinicalTrials.gov/show/NCT03141593 |
Completed |
University Hospital, Basel, Switzerland |
2018-10-31 |
| NCT03134417 |
Magnesium and Vitamin D Supplementation and Cardiometabolic Outcomes |
https://ClinicalTrials.gov/show/NCT03134417 |
Recruiting |
Drexel University |
2019-12-31 |
| NCT03101150 |
Effect of Vitamin D3 Supplementation in Pregnancy on Risk of Pre-eclampsia |
https://ClinicalTrials.gov/show/NCT03101150 |
Completed |
King Fahad Medical City |
2014-10-31 |
| NCT03099759 |
Vitamin D Raising and Maintaining Blood Serum 25(OH)D3 Levels |
https://ClinicalTrials.gov/show/NCT03099759 |
Completed |
The Cleveland Clinic |
2017-05-31 |
| NCT03096314 |
Vitamin D to Improve Outcomes by Leveraging Early Treatment |
https://ClinicalTrials.gov/show/NCT03096314 |
Completed |
Massachusetts General Hospital |
2018-12-11 |
| NCT03087149 |
Monitored vs Standard Supplementation of Vitamin D in Preterm Infants |
https://ClinicalTrials.gov/show/NCT03087149 |
Recruiting |
Princess Anna Mazowiecka Hospital, Warsaw, Poland |
2019-12-31 |
| NCT03070483 |
Blood Pressure in Blacks and Calcium (BBC) and Vitamin D Study |
https://ClinicalTrials.gov/show/NCT03070483 |
Completed |
Loyola University |
2018-11-01 |
| NCT03038516 |
‘Palliative-D’ Vitamin D to Palliative Cancer Patients |
https://ClinicalTrials.gov/show/NCT03038516 |
Completed |
Stockholm County Council, Sweden |
2020-06-09 |
| NCT03035084 |
Is Vitamin D2 Treatment-associated Decrease in 25(OH)D3 Level a Reciprocal Phenomena? |
https://ClinicalTrials.gov/show/NCT03035084 |
Completed |
King Faisal Specialist Hospital & Research Center |
2017-11-20 |
| NCT03032328 |
Vitamin D Deficiency and Dysautonomia |
https://ClinicalTrials.gov/show/NCT03032328 |
Active, not recruiting |
Wake Forest University Health Sciences |
2021-06-30 |
| NCT03018132 |
Preeclampsia Research on Vitamin D, Inflammation, & Depression |
https://ClinicalTrials.gov/show/NCT03018132 |
Recruiting |
Cedars-Sinai Medical Center |
2019-04-01 |
| NCT02956408 |
Efficacy of Vitamin D Supplementation in Obese Children |
https://ClinicalTrials.gov/show/NCT02956408 |
Completed |
Columbia University |
2019-10-30 |
| NCT02954549 |
Vitamin D Supplementation in Warfighters |
https://ClinicalTrials.gov/show/NCT02954549 |
Completed |
Madigan Army Medical Center |
2018-06-29 |
| NCT02941185 |
Multi-dose Vitamin D Supplementation in Preterm Infants |
https://ClinicalTrials.gov/show/NCT02941185 |
Completed |
Zekai Tahir Burak Women’s Health Research and Education Hospital |
2016-12-31 |
| NCT02930434 |
Effects of Antarctic Environment on Vitamin D Status and Health Risk Biomarkers of Its Inhabitants |
https://ClinicalTrials.gov/show/NCT02930434 |
Completed |
Pontificia Universidad Catolica de Chile |
2017-12-10 |
| NCT02922803 |
Vitamin D and Physical Performance Before and After Intervention and Birth Outcome in Pregnant Somali and Swedish Women |
https://ClinicalTrials.gov/show/NCT02922803 |
Completed |
Uppsala University |
2016-08-31 |
| NCT02890823 |
Effect of Three Different Doses of Oral Cholecalciferol on 25-Hydroxyvitamin D Changes Among Epilepsy Patients With Hypovitaminosis D |
https://ClinicalTrials.gov/show/NCT02890823 |
Completed |
Chulalongkorn University |
2016-03-31 |
| NCT02881957 |
Hypovitaminosis D in Neurocritical Patients |
https://ClinicalTrials.gov/show/NCT02881957 |
Completed |
University of Utah |
2018-10-10 |
| NCT02876315 |
The Effect of Combinatorial Nutritional Supplementation on Immune Function in Healthy Older Adults |
https://ClinicalTrials.gov/show/NCT02876315 |
Active, not recruiting |
Oregon State University |
2020-12-31 |
| NCT02822651 |
Hypovitaminosis D Prediction Score |
https://ClinicalTrials.gov/show/NCT02822651 |
Completed |
Hospices Civils de Lyon |
2017-11-17 |
| NCT02805907 |
Efficacy of Calcifediol Supplementation in Asthma Control in Asthmatic Patients With Vitamin D Deficiency (ACViD) |
https://ClinicalTrials.gov/show/NCT02805907 |
Completed |
MurciaSalud |
2017-01-31 |
| NCT02802449 |
To Study the Nutri-Genomic Response of Vit-D Supplementation in African-Americans |
https://ClinicalTrials.gov/show/NCT02802449 |
Completed |
Charles Drew University of Medicine and Science |
2016-03-31 |
| NCT02783924 |
The GLOBAL Vitamin D Study. A Genomic, Transcriptomic, Proteomic and Metabolomic Approach |
https://ClinicalTrials.gov/show/NCT02783924 |
Completed |
University of Tromso |
2017-09-30 |
| NCT02750293 |
The Effect of Vitamin D Supplementation on Cardiovascular Risk Factors |
https://ClinicalTrials.gov/show/NCT02750293 |
Completed |
University of Tromso |
2017-08-31 |
| NCT02735200 |
Topical Delivery of Vitamin D3 as Vitamin D Supplementation |
https://ClinicalTrials.gov/show/NCT02735200 |
Completed |
Dammam University |
2016-12-31 |
| NCT02714361 |
A Study to Investigate the Effect of Vitamin D3 Supplementation on Iron Status in Iron Deficient Women |
https://ClinicalTrials.gov/show/NCT02714361 |
Completed |
University of Chester |
2016-04-30 |
| NCT02704624 |
Effects of Supplementation of Vitamin D in Patients With Crohn`s Disease |
https://ClinicalTrials.gov/show/NCT02704624 |
Enrolling by invitation |
Federal University of Juiz de Fora |
2020-08-31 |
| NCT02678364 |
Effect of Vitamin D-biofortified Eggs on Wintertime Serum 25-hydroxyvitamin D in Adults: Randomized Controlled Trial |
https://ClinicalTrials.gov/show/NCT02678364 |
Completed |
University College Cork |
2015-12-31 |
| NCT02676674 |
Vitamin D Levels Following Topical Application of Vitamin D Ointment |
https://ClinicalTrials.gov/show/NCT02676674 |
Completed |
University of Minnesota |
2017-06-15 |
| NCT02662491 |
Effects of Vitamin D and Calcium Supplementation on Health and Well-being of Vitamin D Deficient UAE Citizens |
https://ClinicalTrials.gov/show/NCT02662491 |
Completed |
United Arab Emirates University |
2019-03-31 |
| NCT02661191 |
Vitamin D Deficiency and Asthma Exacerbation |
https://ClinicalTrials.gov/show/NCT02661191 |
Completed |
University of Turin, Italy |
2013-03-31 |
| NCT02656121 |
Correction of Vitamin D Deficiency and Its Effect on Ovulation Induction in Women With PCOS (VIDEO): A Feasibility RCT |
https://ClinicalTrials.gov/show/NCT02656121 |
Completed |
Ain Shams University |
2018-11-30 |
| NCT02631629 |
Food-based Solutions for Optimal Vitamin D Nutrition and Health |
https://ClinicalTrials.gov/show/NCT02631629 |
Completed |
Technical University of Denmark |
2016-05-31 |
| NCT02621320 |
Vitamin D Supplementation in Wheelchair Indoor Athletes |
https://ClinicalTrials.gov/show/NCT02621320 |
Completed |
Swiss Paraplegic Centre Nottwil |
2016-07-31 |
| NCT02613884 |
Safety, Efficacy, and Feasibility of High-dose Cholecalciferol in Pediatric Patients With Cystic Fibrosis |
https://ClinicalTrials.gov/show/NCT02613884 |
Completed |
Johns Hopkins All Children’s Hospital |
2019-11-25 |
| NCT01325610 |
Vitamin D Effect on Calcium Absorption on Persons on Hemodialysis |
https://ClinicalTrials.gov/show/NCT01325610 |
Completed |
Creighton University |
2012-01-31 |
| NCT02590614 |
Genetic, Dietary and Environmental Influences on Vitamin D Metabolism |
https://ClinicalTrials.gov/show/NCT02590614 |
Completed |
Milton S. Hershey Medical Center |
2018-05-31 |
| NCT02589444 |
Vitamin D and Microbiota in Cystic Fibrosis |
https://ClinicalTrials.gov/show/NCT02589444 |
Completed |
Emory University |
2017-02-28 |
| NCT02572960 |
Physiologic Interactions Between the Adrenal- and the Parathyroid Glands |
https://ClinicalTrials.gov/show/NCT02572960 |
Completed |
University of Aarhus |
2017-05-31 |
| NCT03403933 |
Study of the Effect of Calcifediol Supplementation on Cardiopathic Patients Undergoing Major Orthopedic Surgery (Vitamina D). |
https://ClinicalTrials.gov/show/NCT03403933 |
Completed |
Istituto Ortopedico Galeazzi |
2017-09-23 |
| NCT02035423 |
Community Interventional Trial (CITFOMIST) |
https://ClinicalTrials.gov/show/NCT02035423 |
Completed |
Tehran University of Medical Sciences |
2011-03-31 |
| NCT03403647 |
Effect of Vitamin D on Everolimus Trough Concentrations Among Heart Transplanted Patients |
https://ClinicalTrials.gov/show/NCT03403647 |
Completed |
Sheba Medical Center |
2019-04-10 |
| NCT03402698 |
Vitamin D Supplementation in Children |
https://ClinicalTrials.gov/show/NCT03402698 |
Completed |
Children’s Memorial Health Institute, Poland |
2018-05-26 |
| NCT01317940 |
Nutrition and Body Composition in Acute Lymphoblastic Leukemia |
https://ClinicalTrials.gov/show/NCT01317940 |
Completed |
Children’s Hospital Los Angeles |
2014-12-31 |
| NCT02563015 |
Can Correction of Low Vitamin D Status in Infancy Program for a Leaner Body Composition? |
https://ClinicalTrials.gov/show/NCT02563015 |
Active, not recruiting |
McGill University |
2022-02-20 |
| NCT03395171 |
Vitamin D3 Supplementation and Stress Fracture Occurrence in High-Risk Collegiate Athletes |
https://ClinicalTrials.gov/show/NCT03395171 |
Completed |
Prisma Health-Midlands |
2016-07-01 |
| NCT02553447 |
Cholecalciferol in Treating Patients With Newly Diagnosed Non-Hodgkin Lymphoma or Chronic Lymphocytic Leukemia With Vitamin D Deficiency |
https://ClinicalTrials.gov/show/NCT02553447 |
Recruiting |
University of Nebraska |
2020-08-28 |
| NCT02553044 |
Change in Free 25(OH)D After High Dose in Vitamin D Deficient Postmenopausal Women |
https://ClinicalTrials.gov/show/NCT02553044 |
Completed |
Sheffield Teaching Hospitals NHS Foundation Trust |
2018-08-31 |
| NCT02543671 |
Investigation of Vitamin D3 Enriched, Reduced-fat Yellow Cheese Efficacy to Prevent Vitamin D Deficiency |
https://ClinicalTrials.gov/show/NCT02543671 |
Completed |
Harokopio University |
2015-03-31 |
| NCT02534064 |
Effect of Consumption of Yogurt Fortified in Calcium and Vit. D on Circulating Levels of 25OHD in Postmenopausal Women |
https://ClinicalTrials.gov/show/NCT02534064 |
Completed |
Yoplait France SAS |
2015-10-31 |
| NCT02506439 |
Nutritional Requirements for Vitamin D in Pregnant Women |
https://ClinicalTrials.gov/show/NCT02506439 |
Completed |
University College Cork |
2017-04-01 |
| NCT02485197 |
Muscle Metabolic Function in Older Adults With Different Vitamin D Status Before and After Exercise |
https://ClinicalTrials.gov/show/NCT02485197 |
Completed |
University of Kentucky |
2013-10-31 |
| NCT02483026 |
Nutritional Deficiencies Preventive Treatment Prior to Laparoscopic Sleeve Gastrectomy |
https://ClinicalTrials.gov/show/NCT02483026 |
Completed |
Hadassah Medical Organization |
2019-12-01 |
| NCT02477956 |
Effect of a Monthly High Dose of Vitamin D3 on Bariatric Surgery Patients |
https://ClinicalTrials.gov/show/NCT02477956 |
Completed |
Texas Tech University |
2013-11-30 |
| NCT02460380 |
The Effects of Vitamin D on Angiogenic Factors in Women With Polycystic Ovary Syndrome |
https://ClinicalTrials.gov/show/NCT02460380 |
Completed |
Maimonides Medical Center |
2015-03-31 |
| NCT02460211 |
Acute Effect of Systemic Stress on Measured Blood Concentrations of 25 (OH) Vitamin D |
https://ClinicalTrials.gov/show/NCT02460211 |
Active, not recruiting |
Intermountain Health Care, Inc. |
2018-10-01 |
| NCT02457247 |
Calcichew D3 Preference Study in Participants Eligible for Calcium and Vitamin D Supplementation. |
https://ClinicalTrials.gov/show/NCT02457247 |
Completed |
Takeda |
2015-08-31 |
| NCT02452762 |
Rapid Normalization of Vitamin D in Critically Ill Children: A Phase II Dose Evaluation Randomized Controlled Trial |
https://ClinicalTrials.gov/show/NCT02452762 |
Completed |
Children’s Hospital of Eastern Ontario |
2017-11-30 |
| NCT02451787 |
The ‘Hidden’ Biological Impact of Vitamin D Deficiency: a Biomarker Study; Part 2 |
https://ClinicalTrials.gov/show/NCT02451787 |
Completed |
The Hong Kong Polytechnic University |
2016-07-31 |
| NCT02443246 |
A Prospective, Multi-center Study to Evaluate the Efficacy and Safety of Vitamin D3 B.O.N. Intramuscular Injection in Adults With Vitamin D Deficiency |
https://ClinicalTrials.gov/show/NCT02443246 |
Completed |
Kwang Dong Pharmaceutical co., ltd. |
2015-08-31 |
| NCT02434380 |
Effect of Vitamin D Replacement on Maternal and Neonatal Outcomes |
https://ClinicalTrials.gov/show/NCT02434380 |
Active, not recruiting |
American University of Beirut Medical Center |
2018-10-31 |
| NCT02414529 |
Efficacy of Vitamin D Therapy on Glucose Homeostasis in Obese Adolescents |
https://ClinicalTrials.gov/show/NCT02414529 |
Completed |
NYU Langone Health |
2015-10-31 |
| NCT02404623 |
The Effect of Vitamin D Administration to Premature Infants on Vitamin D Status and Respiratory Morbidity |
https://ClinicalTrials.gov/show/NCT02404623 |
Completed |
Soroka University Medical Center |
2018-02-12 |
| NCT02395081 |
Trial of Vitamin D Supplements to Raise Calcidiol Levels of Pregnant Women in Mongolia |
https://ClinicalTrials.gov/show/NCT02395081 |
Completed |
Brigham and Women’s Hospital |
2016-12-31 |
| NCT02362269 |
Personalized Vitamin D Supplementation in European and African Americans |
https://ClinicalTrials.gov/show/NCT02362269 |
Completed |
University of Wisconsin, Madison |
2019-05-03 |
| NCT02360644 |
Drug Metabolizing Enzyme and Transporter Function in Chronic Kidney Disease |
https://ClinicalTrials.gov/show/NCT02360644 |
Active, not recruiting |
University of Colorado, Denver |
2020-09-30 |
| NCT02349282 |
The Effect of Calcifediol (Hy.D 25 SD/S) and Vitamin D3 on Muscle Strength in a Frail Elderly Population |
https://ClinicalTrials.gov/show/NCT02349282 |
Completed |
Wageningen University |
2015-12-31 |
| NCT02328404 |
The Effect of Vitamin D Supplementation Among Overweight Jordanian Women With Polycystic Ovary Syndrome (PCOS) |
https://ClinicalTrials.gov/show/NCT02328404 |
Completed |
Hayat Pharmaceutical Co. PLC |
2014-09-30 |
| NCT02297568 |
Vitamin D Supplementation During Lactation |
https://ClinicalTrials.gov/show/NCT02297568 |
Completed |
Rajavithi Hospital |
2015-06-30 |
| NCT02293187 |
Impact of Vitamin D on 25-hydroxyvitamin D Levels and Physical Function |
https://ClinicalTrials.gov/show/NCT02293187 |
Completed |
Tufts University |
2017-09-13 |
| NCT02282813 |
Extension Study of CTAP101-CL-3001 or CTAP101-CL-3002 |
https://ClinicalTrials.gov/show/NCT02282813 |
Completed |
OPKO Health, Inc. |
2015-05-31 |
| NCT02275650 |
The Role of Narrowband Ultraviolet B Exposure in the Maintenance of Vitamin D Levels During Winter |
https://ClinicalTrials.gov/show/NCT02275650 |
Completed |
Joint Authority for Päijät-Häme Social and Health Care |
2014-05-31 |
| NCT02271971 |
Effect of Vitamin D Supplementation on Metabolic Parameters of Patients With Psoriasis |
https://ClinicalTrials.gov/show/NCT02271971 |
Completed |
Pontificia Universidad Catolica de Chile |
2015-04-30 |
| NCT02234544 |
Effect of an Inhibitor of Cholesterol Absorption on Vitamin D Levels |
https://ClinicalTrials.gov/show/NCT02234544 |
Completed |
Federal University of Rio Grande do Sul |
2015-04-30 |
| NCT02217553 |
The Effect of Vitamin D Supplementation on HIV-associated Platelet Hyperreactivity |
https://ClinicalTrials.gov/show/NCT02217553 |
Completed |
Universitas Padjadjaran |
2014-02-28 |
| NCT02214563 |
Cholecalciferol Supplementation for Anemia and Mineral and Bone Disorder in Hemodialysis Patients |
https://ClinicalTrials.gov/show/NCT02214563 |
Completed |
Osaka University |
2016-03-31 |
| NCT02210884 |
Maternal Vit D Supplements & Infant and Maternal Biomarkers & Outcomes in Southern Ethiopia |
https://ClinicalTrials.gov/show/NCT02210884 |
Completed |
Oklahoma State University |
2016-09-30 |
| NCT02186535 |
The Role of Vitamin D in Female Reproductive Tract Immunity |
https://ClinicalTrials.gov/show/NCT02186535 |
Completed |
CONRAD |
2015-07-31 |
| NCT02186106 |
Dosage Calculation for Vitamin D Treatment |
https://ClinicalTrials.gov/show/NCT02186106 |
Completed |
Bispebjerg Hospital |
2013-06-30 |
| NCT02186028 |
Effect of Oral Daily Supplementation With 400 IU Vs 200 IU of Vitamin D in Term Healthy Neonates |
https://ClinicalTrials.gov/show/NCT02186028 |
Completed |
Lady Hardinge Medical College |
2015-06-30 |
| NCT02168660 |
Correction of Vitamin D Levels and Its Effect on Insulin Resistance and Weight Gain in Obese Youth |
https://ClinicalTrials.gov/show/NCT02168660 |
Completed |
University of Texas Southwestern Medical Center |
2013-09-30 |
| NCT02158143 |
A Single High-dose Oral Supplement of Vitamin D in Young Chinese |
https://ClinicalTrials.gov/show/NCT02158143 |
Completed |
Chinese Academy of Sciences |
2014-04-30 |
| NCT02145195 |
The Effect of Vitamin D Supplements on Vitamin D Status, Cardiometabolic Health and Immune Defense in Danish Children |
https://ClinicalTrials.gov/show/NCT02145195 |
Completed |
University of Copenhagen |
2015-03-31 |
| NCT02136771 |
Styrian Vitamin D Hypertension Trial |
https://ClinicalTrials.gov/show/NCT02136771 |
Completed |
Medical University of Graz |
2014-08-31 |
| NCT02135913 |
Roles of Vitamin D and HDL in Obese Children |
https://ClinicalTrials.gov/show/NCT02135913 |
Completed |
University of Kentucky |
2017-04-26 |
| NCT02132442 |
Hepatic Dysfunction, Vitamin D Status, and Glycemic Control in Diabetes |
https://ClinicalTrials.gov/show/NCT02132442 |
Completed |
University of Massachusetts, Worcester |
2016-10-31 |
| NCT02118129 |
Vitamin D Among Young Adults: an Intervention Study Using a Mobile ‘App’. |
https://ClinicalTrials.gov/show/NCT02118129 |
Completed |
University of Guelph |
2015-12-31 |
| NCT02101151 |
Effect of Vitamin D Supplementation on the Metabolic Control and Body Composition of Type 2 Diabetes Subjects in Ajman (UAE) |
https://ClinicalTrials.gov/show/NCT02101151 |
Completed |
Rashid Centre for Diabetes and Research |
2012-12-31 |
| NCT02099955 |
Vitamin D Deficiency and Replacement on Pulmonary and Endocrine Function in SCI |
https://ClinicalTrials.gov/show/NCT02099955 |
Completed |
James J. Peters Veterans Affairs Medical Center |
2015-12-31 |
| NCT02091219 |
Effects of Vitamin D3 Versus 25OHD3 on Mineral Metabolism and Immune Function |
https://ClinicalTrials.gov/show/NCT02091219 |
Recruiting |
University of California, Los Angeles |
2019-06-30 |
| NCT02069990 |
Controlled, Randomized, Four-arm Comparative, Open Label, Multi-centric Clinical Trial to Compare the Efficacy and Safety Parameters of the Once-a-week or Once-a-month Administered 7000 IU, or 30000 IU Vitamin D (Cholecalciferol) to a 1000 IU Dosage Applied Daily in Vitamin D Deficient Patients |
https://ClinicalTrials.gov/show/NCT02069990 |
Completed |
Semmelweis University |
2013-09-30 |
| NCT01315366 |
Hypovitaminosis D : A Link Between Bone/Mineral and Fat/Fuel Metabolism |
https://ClinicalTrials.gov/show/NCT01315366 |
Completed |
American University of Beirut Medical Center |
2014-08-31 |
| NCT01306656 |
Vitamin D Repletion in Primary Hyperparathyroidism |
https://ClinicalTrials.gov/show/NCT01306656 |
Completed |
Columbia University |
2017-02-28 |
| NCT01295879 |
Vitamin D Repletion in Stone Formers With Hypercalciuria |
https://ClinicalTrials.gov/show/NCT01295879 |
Completed |
New York Presbyterian Hospital |
2011-04-30 |
| NCT01292720 |
Vitamin D Supplementation in Chronic Stable Heart Failure |
https://ClinicalTrials.gov/show/NCT01292720 |
Completed |
Medical University of Graz |
2013-10-31 |
| NCT01287455 |
The Effect of Vitamin D Replacement on Airway Reactivity, Allergy and Inflammatory Mediators in Exhaled Breath Condensate in Vitamin D Deficient Asthmatic Children |
https://ClinicalTrials.gov/show/NCT01287455 |
Completed |
Rambam Health Care Campus |
2012-02-29 |
| NCT03356873 |
Impact of Correction of Vitamin D Deficiency in Oxidative Stress in Patients With Prediabetes (VICOX) |
https://ClinicalTrials.gov/show/NCT03356873 |
Recruiting |
Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran |
2019-09-01 |
| NCT03608488 |
The Effect of Vitamin D and Exercise on Balance in Postmenopausal Women |
https://ClinicalTrials.gov/show/NCT03608488 |
Completed |
Sultan Abdulhamid Han Training and Research Hospital, Istanbul, Turkey |
2019-07-12 |
| NCT02009748 |
Vitamin D Supplementation in Cirrhotic Patients |
https://ClinicalTrials.gov/show/NCT02009748 |
Completed |
Medical University of Graz |
2014-08-31 |
| NCT02008201 |
Vitamin D Status and Supplementation in Athletes |
https://ClinicalTrials.gov/show/NCT02008201 |
Completed |
Wageningen University |
2014-04-30 |
| NCT01998763 |
Vitamin D Intervention Trial in Healthy Chinese, Phase II |
https://ClinicalTrials.gov/show/NCT01998763 |
Completed |
Chinese Academy of Sciences |
2014-05-31 |
| NCT01993537 |
The Role of Vitamin D in the Pathophysiology of Chronic Failure |
https://ClinicalTrials.gov/show/NCT01993537 |
Completed |
Ottawa Heart Institute Research Corporation |
2016-01-31 |
| NCT01992133 |
Effects of Vitamin D Supplementation on Glucose Metabolism in Women With Former Gestational Diabetes Mellitus |
https://ClinicalTrials.gov/show/NCT01992133 |
Completed |
RCSI & UCD Malaysia Campus |
2012-08-31 |
| NCT01991054 |
The Effects of Vitamin D Supplementation on Patients With Type 2 Diabetes and Vitamin D Deficiency |
https://ClinicalTrials.gov/show/NCT01991054 |
Completed |
HaEmek Medical Center, Israel |
2017-12-31 |
| NCT01990872 |
Inter-relationship Between Vitamin D Requirements and Calcium Intake in Older Adults |
https://ClinicalTrials.gov/show/NCT01990872 |
Completed |
University College Cork |
2013-11-30 |
| NCT01971801 |
Vitamin D Supplementation in Older Adults With Urinary Incontinence |
https://ClinicalTrials.gov/show/NCT01971801 |
Completed |
University of Alabama at Birmingham |
2017-08-31 |
| NCT01930539 |
Treatment of Vitamin D Deficiency in Intestinal Rehabilitation Clinic Patients With a Portable Ultraviolet B Lamp |
https://ClinicalTrials.gov/show/NCT01930539 |
Completed |
University of Nebraska |
2015-06-30 |
| NCT01924910 |
A Single Wintertime Dose of Vitamin D3 to Prevent Winter Decline in Vitamin D Status in Healthy Adults |
https://ClinicalTrials.gov/show/NCT01924910 |
Completed |
Emory University |
2013-12-31 |
| NCT01910792 |
Ultraviolet Light And Vitamin D In Subjects With Fat Malabsorption Or After Gastric Bypass Surgery |
https://ClinicalTrials.gov/show/NCT01910792 |
Completed |
Boston University |
2014-02-28 |
| NCT01909063 |
A Randomized Controlled Trial Testing The Effect Of A Multi-Nutrient Fortified Juice |
https://ClinicalTrials.gov/show/NCT01909063 |
Completed |
Boston University |
2008-01-31 |
| NCT01896544 |
Cholecalciferol Supplementation for Sepsis in the ICU |
https://ClinicalTrials.gov/show/NCT01896544 |
Completed |
Massachusetts General Hospital |
2014-08-31 |
| NCT01877577 |
Supplementation of Vitamin D3 in Patients With Inflammatory Bowel Diseases and Hypovitaminosis D |
https://ClinicalTrials.gov/show/NCT01877577 |
Completed |
University of California, San Francisco |
2013-07-31 |
| NCT01855321 |
Effects of Treating Vitamin D Deficiency in Poorly Controlled Type 2 Diabetes |
https://ClinicalTrials.gov/show/NCT01855321 |
Completed |
University of Florida |
2015-03-31 |
| NCT01848236 |
Effects of Vitamin D Insufficiency in Man |
https://ClinicalTrials.gov/show/NCT01848236 |
Completed |
University of California, Los Angeles |
2020-02-29 |
| NCT01845142 |
Immunologic Action of a Single Dose Cholecalciferol |
https://ClinicalTrials.gov/show/NCT01845142 |
Completed |
Charite University, Berlin, Germany |
2013-05-31 |
| NCT01838447 |
Prevention of Vitamin D Deficiency Following Pediatric CHD Surgery: a Phase II Dose Evaluation Randomized Controlled Trial Comparing Usual Care With a High Dose Pre-operative Supplementation Regimen Based on the Institute of Medicine Daily Upper Tolerable Intake Level |
https://ClinicalTrials.gov/show/NCT01838447 |
Completed |
Children’s Hospital of Eastern Ontario |
2015-12-31 |
| NCT01827345 |
Vitamin D as a Supplement Against Falls in Elderly Study |
https://ClinicalTrials.gov/show/NCT01827345 |
Completed |
University of Florida |
2016-04-30 |
| NCT01817036 |
Vitamin D Intervention Trial in Healthy Chinese |
https://ClinicalTrials.gov/show/NCT01817036 |
Completed |
Chinese Academy of Sciences |
2013-05-31 |
| NCT01815437 |
Evaluating Vitamin D Content in Mushrooms |
https://ClinicalTrials.gov/show/NCT01815437 |
Completed |
Boston University |
2013-06-30 |
| NCT01797302 |
Vitamin D and Vascular Health in Children |
https://ClinicalTrials.gov/show/NCT01797302 |
Completed |
University of Pittsburgh |
2018-08-13 |
| NCT01784029 |
Treatment Study of Vitamin D Deficiency in Adolescents |
https://ClinicalTrials.gov/show/NCT01784029 |
Completed |
Montefiore Medical Center |
2014-07-31 |
| NCT01778114 |
Availability of Vitamin D in Orange Juice |
https://ClinicalTrials.gov/show/NCT01778114 |
Completed |
Boston University |
2007-06-30 |
| NCT01746264 |
Effect of Vitamin D Supplementation on Endothelial Function in Obese Adolescents |
https://ClinicalTrials.gov/show/NCT01746264 |
Completed |
Mayo Clinic |
2013-12-31 |
| NCT01741324 |
Comparing Different Amounts of Vitamin D Supplementation to Preschool Children Living in Northern and Southern Sweden |
https://ClinicalTrials.gov/show/NCT01741324 |
Completed |
Umeå University |
2013-04-30 |
| NCT01741233 |
The Genetics Behind Vitamin D Status (VitDgen) |
https://ClinicalTrials.gov/show/NCT01741233 |
Completed |
Technical University of Denmark |
2013-03-31 |
| NCT01741181 |
Vitamin D Supplementation in Patients With Diabetes Mellitus Type 2 |
https://ClinicalTrials.gov/show/NCT01741181 |
Completed |
Tan Tock Seng Hospital |
2014-11-30 |
| NCT01726777 |
Effect of Vitamin D Supplementation on Glucose Tolerance in Subjects at Risk for Diabetes With Low Vitamin D. |
https://ClinicalTrials.gov/show/NCT01726777 |
Completed |
University of Toronto |
2015-09-30 |
| NCT01721915 |
Vitamin D Treatment, Pharmacogenetics and Glucose Metabolism |
https://ClinicalTrials.gov/show/NCT01721915 |
Completed |
Medical University of Graz |
2017-10-12 |
| NCT01704079 |
Safety and Efficacy of CTAP101 to Treat Secondary Hyperparathyroidism in Stage 3 or 4 CKD and Vitamin D Insufficiency |
https://ClinicalTrials.gov/show/NCT01704079 |
Completed |
OPKO Health, Inc. |
2014-08-31 |
| NCT01697228 |
The Effects of Vitamin D on Glycemic Control and Proinflammatory Markers in Adolescents With T1DM |
https://ClinicalTrials.gov/show/NCT01697228 |
Completed |
Children’s Hospital Los Angeles |
2014-03-31 |
| NCT01696526 |
Bioefficiency of of Conventional Fish and Vitamin D Fortified Fish |
https://ClinicalTrials.gov/show/NCT01696526 |
Completed |
Martin-Luther-Universität Halle-Wittenberg |
2012-12-31 |
| NCT01694355 |
The Impact of Severe Vitamin D Deficiency and Its Correction on Bone Mineral Density (BMD) in Postmenopausal Women |
https://ClinicalTrials.gov/show/NCT01694355 |
Completed |
Soroka University Medical Center |
2018-10-31 |
| NCT01691833 |
The Effect of Hypovitaminosis D and Vitamin D Supplementation on Fracture Nonunion Rates |
https://ClinicalTrials.gov/show/NCT01691833 |
Completed |
Atrium Health |
2017-01-31 |
| NCT01689779 |
High Dose Preoperative Cholecalciferol Supplementation and Perioperative Vitamin D Status |
https://ClinicalTrials.gov/show/NCT01689779 |
Completed |
Massachusetts General Hospital |
2015-05-31 |
| NCT01688102 |
The Effect of Oral Vitamin D Versus Narrow-Band UV-B Exposure on the Lipid Profile |
https://ClinicalTrials.gov/show/NCT01688102 |
Completed |
Rockefeller University |
2015-07-31 |
| NCT04120064 |
Treatment of Vitamin D Deficiency With Large Bolus Cholecalciferol |
https://ClinicalTrials.gov/show/NCT04120064 |
Recruiting |
Parkview Medical Center |
2020-12-31 |
| NCT01656070 |
Vitamin D Supplementation in HIV-infected Youth |
https://ClinicalTrials.gov/show/NCT01656070 |
Completed |
University of Milan |
2012-07-31 |
| NCT01655810 |
Vitamin D, Cardiovascular Disease, and African Americans |
https://ClinicalTrials.gov/show/NCT01655810 |
Completed |
Washington University School of Medicine |
2018-02-09 |
| NCT01651000 |
Safety and Efficacy of CTAP101 to Treat Secondary Hyperparathyroidism in Stage 3 or 4 CKD and Vitamin D Insufficiency |
https://ClinicalTrials.gov/show/NCT01651000 |
Completed |
OPKO Health, Inc. |
2014-07-31 |
| NCT01639222 |
Human Pharmacology Trial of Calcium-vitamin D3 Tablet in Healthy Participants |
https://ClinicalTrials.gov/show/NCT01639222 |
Completed |
Takeda |
2012-08-31 |
| NCT01638494 |
Calcium and Vitamin D Intakes in Children |
https://ClinicalTrials.gov/show/NCT01638494 |
Completed |
Federico II University |
2009-02-28 |
| NCT01636570 |
Vitamin D3 Supplementation for Heart Failure Patients |
https://ClinicalTrials.gov/show/NCT01636570 |
Completed |
Saint Patrick Hospital |
2015-04-30 |
| NCT01633853 |
Efficacy of Vitamin D2 to Treat Chronic Kidney Disease Mineral and Bone Disorder |
https://ClinicalTrials.gov/show/NCT01633853 |
Completed |
Capital Medical University |
2015-09-30 |
| NCT01600430 |
Vitamin D Supplementation for Extremely Preterm Infants |
https://ClinicalTrials.gov/show/NCT01600430 |
Completed |
University of Alabama at Birmingham |
2014-12-31 |
| NCT01596842 |
Effect of Omega-3 Fatty Acid on Vitamin D Activation |
https://ClinicalTrials.gov/show/NCT01596842 |
Completed |
Dong-A University |
2012-12-31 |
| NCT01583621 |
Vitamin D Supplementation in Overweight/Obese African American Adults and Youth (D-SUNNY) |
https://ClinicalTrials.gov/show/NCT01583621 |
Completed |
Augusta University |
2012-11-30 |
| NCT01570309 |
Vitamin D Repletion in Coronary Artery Disease |
https://ClinicalTrials.gov/show/NCT01570309 |
Completed |
New York City Health and Hospitals Corporation |
2011-03-31 |
| NCT01568255 |
Is Treatment of Vitamin D Deficiency Associated With Resolution of Statin-Induced Muscular Symptoms |
https://ClinicalTrials.gov/show/NCT01568255 |
Recruiting |
Cedars-Sinai Medical Center |
2021-03-31 |
| NCT01549938 |
Cholecalciferol Intervention to Prevent Respiratory Infections Study |
https://ClinicalTrials.gov/show/NCT01549938 |
Completed |
Menzies Institute for Medical Research |
2012-10-31 |
| NCT01546103 |
Vitamin D3 Supplementation Pilot Study |
https://ClinicalTrials.gov/show/NCT01546103 |
Completed |
Children’s Hospital of Philadelphia |
2012-09-30 |
| NCT01537809 |
Impact of Vitamin D Supplementation on Cardiometabolic Risk Factors [The Daily D Health Study] |
https://ClinicalTrials.gov/show/NCT01537809 |
Completed |
Tufts University |
2013-12-31 |
| NCT01535508 |
Open Label Clinical Trial of Vitamin D in Children With Autism |
https://ClinicalTrials.gov/show/NCT01535508 |
Completed |
University of California, San Francisco |
2015-09-30 |
| NCT01524874 |
Comparative Effectiveness of Vitamin D and Repletion Strategies |
https://ClinicalTrials.gov/show/NCT01524874 |
Completed |
Bastyr University |
2011-09-30 |
| NCT01519986 |
The Effect of Fat on Vitamin D Absorption |
https://ClinicalTrials.gov/show/NCT01519986 |
Completed |
Federal University of Rio Grande do Sul |
2011-10-31 |
| NCT01508845 |
A Pilot Study of the Effect of Dietary Fat Type and Amount on Vitamin D3 Absorption |
https://ClinicalTrials.gov/show/NCT01508845 |
Completed |
Tufts University |
2013-06-30 |
| NCT01506557 |
Vitamin D Supplementation of Lactating Mothers |
https://ClinicalTrials.gov/show/NCT01506557 |
Completed |
Children’s Memorial Health Institute, Poland |
2012-10-31 |
| NCT01497132 |
Effects of Vitamin D on Beta Cell Function and Insulin Sensitivity in Pre-diabetes and Diabetes Mellitus Type 2 |
https://ClinicalTrials.gov/show/NCT01497132 |
Completed |
Karolinska Institutet |
2013-05-31 |
| NCT01490333 |
Sunweavers: Supporting Native American Women’s Vitamin D Research |
https://ClinicalTrials.gov/show/NCT01490333 |
Completed |
University of Wisconsin, Madison |
2014-01-31 |
| NCT01488734 |
Bioavailability and Biological Effects of Vitamin D2 Contained in Mushroom |
https://ClinicalTrials.gov/show/NCT01488734 |
Completed |
Icahn School of Medicine at Mount Sinai |
2013-09-30 |
| NCT01480869 |
Study of Vitamin D Supplementation Tailored to Vitamin D Deficiency in Breast Cancer Patients |
https://ClinicalTrials.gov/show/NCT01480869 |
Completed |
Institut du Cancer de Montpellier - Val d’Aurelle |
2014-12-31 |
| NCT01477034 |
Vitamin D and Adipose Tissue Inflammation |
https://ClinicalTrials.gov/show/NCT01477034 |
Completed |
Fred Hutchinson Cancer Research Center |
2013-06-30 |
| NCT01443897 |
Effect of Consumption of Post-harvest UV-B Treated Mushrooms on Vitamin D Status of Healthy Adults |
https://ClinicalTrials.gov/show/NCT01443897 |
Completed |
USDA, Western Human Nutrition Research Center |
2010-11-30 |
| NCT01443728 |
Vitamin D for Sickle-cell Respiratory Complications |
https://ClinicalTrials.gov/show/NCT01443728 |
Active, not recruiting |
Columbia University |
2013-06-20 |
| NCT01437696 |
How Much Vitamin D is Required to be Protective Against Deficiency During the Winter Months? |
https://ClinicalTrials.gov/show/NCT01437696 |
Completed |
McGill University |
2014-05-31 |
| NCT01436916 |
Oral Cholecalciferol in Prevention of Type 2 Diabetes Mellitus |
https://ClinicalTrials.gov/show/NCT01436916 |
Completed |
Postgraduate Institute of Medical Education and Research |
2012-09-30 |
| NCT01430793 |
Determination of Effective Vitamin D Replacement and Monitoring Strategies in Vitamin D Deficiency State |
https://ClinicalTrials.gov/show/NCT01430793 |
Completed |
Aga Khan University |
2013-03-31 |
| NCT01426347 |
Treatment of Vitamin D Deficiency in Patients With Rheumatoid Arthritis |
https://ClinicalTrials.gov/show/NCT01426347 |
Completed |
Johns Hopkins University |
2012-01-31 |
| NCT01419119 |
Vitamin Deficiency in Immigrants, a Treatment Study |
https://ClinicalTrials.gov/show/NCT01419119 |
Completed |
Umeå University |
2012-10-31 |
| NCT01417351 |
Effects of Vitamin D Supplementation During Pregnancy on Clinical Outcomes and Immune Function |
https://ClinicalTrials.gov/show/NCT01417351 |
Completed |
USDA, Western Human Nutrition Research Center |
2013-05-31 |
| NCT01410084 |
Improving Vitamin D Status in Home-bound Elders |
https://ClinicalTrials.gov/show/NCT01410084 |
Completed |
Wake Forest University Health Sciences |
2011-08-31 |
| NCT01399151 |
Assessment of Vitamin D Supplementation and Immune Function |
https://ClinicalTrials.gov/show/NCT01399151 |
Completed |
USDA, Western Human Nutrition Research Center |
2013-12-31 |
| NCT01395589 |
Rapid vs Maintenance Vitamin D Supplementation in Deficient Children With Asthma to Prevent Exacerbations. |
https://ClinicalTrials.gov/show/NCT01395589 |
Completed |
Hamad Medical Corporation |
2014-01-31 |
| NCT01385098 |
Efficacy of Vitamin D Supplementation in Bariatric Surgery Patients |
https://ClinicalTrials.gov/show/NCT01385098 |
Completed |
The Methodist Hospital System |
2013-05-31 |
| NCT01363167 |
Identifying Vitamin D Deficiency in Very Low Birth Weight Infant (VLBW) Infants Part 2 |
https://ClinicalTrials.gov/show/NCT01363167 |
Completed |
Medical University of South Carolina |
2013-10-31 |
| NCT01354262 |
Effect of Vitamin D Supplementation on Hemoglobin A1c |
https://ClinicalTrials.gov/show/NCT01354262 |
Completed |
Ascension Genesys Hospital |
2012-01-31 |
| NCT01349127 |
Trial to Assess Vitamin D Requirements in Lactating Women |
https://ClinicalTrials.gov/show/NCT01349127 |
Completed |
University College Cork |
2009-12-31 |
| NCT01325987 |
African American Children, Glycemic Control, and Type 2 Diabetes |
https://ClinicalTrials.gov/show/NCT01325987 |
Completed |
University of Alabama at Birmingham |
2012-12-31 |
| NCT04407286 |
Vitamin D Testing and Treatment for COVID 19 |
https://ClinicalTrials.gov/show/NCT04407286 |
Recruiting |
Arizona State University |
2020-08-18 |
| NCT04377399 |
High vs Low Dose Vitamin D in Patients With Diabetic Peripheral Neuropathy |
https://ClinicalTrials.gov/show/NCT04377399 |
Completed |
Federal State Budgetary Institution, V. A. Almazov Federal North-West Medical Research Centre, of the Ministry of Health |
2019-06-20 |
| NCT04359524 |
Vitamin D Supplementation in Conscripts |
https://ClinicalTrials.gov/show/NCT04359524 |
Completed |
Tartu University Hospital |
2017-04-20 |
| NCT04323852 |
Can Vitamin D Reduce Heart Muscle Damage After Bypass Surgery? |
https://ClinicalTrials.gov/show/NCT04323852 |
Completed |
Shahid Beheshti University of Medical Sciences |
2018-12-01 |
| NCT04319289 |
Effect of Aerobic Interval Training With Vitamin D Supplement on Functional Capacity and Perceived Myalgia |
https://ClinicalTrials.gov/show/NCT04319289 |
Completed |
Cairo University |
2020-05-15 |
| NCT04291833 |
Prospective, Assessment of Vitamin D and Calcium Supplementation, Improvement of Nutritional Status and Preoperative Rehabilitation in Patients Before Knee Arthroplasty. |
https://ClinicalTrials.gov/show/NCT04291833 |
Completed |
Jagiellonian University |
2017-12-31 |
| NCT04244474 |
Effect of Vitamin D Supplementation on Improvement of Pneumonic Children |
https://ClinicalTrials.gov/show/NCT04244474 |
Active, not recruiting |
Cairo University |
2019-12-15 |
| NCT04229368 |
Effect of Vitamin D Status and Repletion on Postoperative Total Joint Arthroplasty Complications |
https://ClinicalTrials.gov/show/NCT04229368 |
Recruiting |
Brigham and Women’s Hospital |
2021-07-01 |
| NCT04207294 |
Vitamin D Enriched Meat Project (Acute Study) |
https://ClinicalTrials.gov/show/NCT04207294 |
Recruiting |
University of Ulster |
2020-04-10 |
| NCT04204304 |
Relationship Between Serum Vitamin D Levels and Musculoskeletal Adverse Effects in Patients Using Isotretinoin |
https://ClinicalTrials.gov/show/NCT04204304 |
Completed |
Ankara Training and Research Hospital |
2019-08-15 |
| NCT04183257 |
Effect of Escalating Oral Vitamin D Replacement on HOMA-IR in Vitamin D Deficient Type 2 Diabetics |
https://ClinicalTrials.gov/show/NCT04183257 |
Completed |
King Edward Medical University |
2017-04-30 |
| NCT04156074 |
Innovative Food Structures to Enhance Nutrient Bioavailability |
https://ClinicalTrials.gov/show/NCT04156074 |
Recruiting |
University College Dublin |
2021-12-31 |
| NCT04117581 |
A Study to Investigate the Effect of Vitamin D3 Supplementation on Asthma Symptoms in Adults With Asthma (VITDAS) |
https://ClinicalTrials.gov/show/NCT04117581 |
Recruiting |
University of Chester |
2021-07-31 |
| NCT04100226 |
Vitamin D Deficiency and Effect of Its Supplementation on Interstitial Lung Diseases(ILD). |
https://ClinicalTrials.gov/show/NCT04100226 |
Active, not recruiting |
Cairo University |
2019-11-01 |
| NCT04091178 |
Vitamin D Supplementation to Correct the Vitamin D Deficiency for Breast Cancer |
https://ClinicalTrials.gov/show/NCT04091178 |
Completed |
Institut du Cancer de Montpellier - Val d’Aurelle |
2015-06-11 |
| NCT04038853 |
Vitamin D in Fatty Liver Disease |
https://ClinicalTrials.gov/show/NCT04038853 |
Completed |
University Hospital Rijeka |
2017-02-01 |
| NCT04033796 |
Vitamin D Supplementation D_SAF Pilot Study |
https://ClinicalTrials.gov/show/NCT04033796 |
Completed |
University of Surrey |
2016-06-10 |
| NCT04010942 |
Vitamin D for Polycystic Ovary Syndrome Clomiphene Resistant Women |
https://ClinicalTrials.gov/show/NCT04010942 |
Completed |
Ain Shams University |
2018-12-30 |
| NCT04005573 |
The Combined Effect of Omega-3 Fatty Acid and Vitamin D3 on Lipid Profile Levels and Oxidized Low Density Lipoprotein |
https://ClinicalTrials.gov/show/NCT04005573 |
Completed |
Applied Science Private University |
2019-11-01 |
| NCT03991845 |
A Trial to Evaluate the Effect of Vitamin D Supplementation in Patients With Chronic Urticaria |
https://ClinicalTrials.gov/show/NCT03991845 |
Enrolling by invitation |
Postgraduate Institute of Medical Education and Research |
2019-11-27 |
| NCT03986268 |
Vitamin D Replacement Therapy Can Affects Pathological Response in Neoadjuvant Breast Cancer Treatment |
https://ClinicalTrials.gov/show/NCT03986268 |
Recruiting |
Florence Nightingale Hospital, Istanbul |
2020-05-10 |
| NCT03931889 |
Effects of Vitamin D3 Supplementation on Antioxidant Enzymes Status in Vitamin D3 Deficient Asthma COPD Overlap (ACO) Patients |
https://ClinicalTrials.gov/show/NCT03931889 |
Active, not recruiting |
Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh |
2019-06-30 |
| NCT03920150 |
Vitamin D 24’000 IU for Oral Intermittent Supplementation |
https://ClinicalTrials.gov/show/NCT03920150 |
Completed |
University Hospital, Basel, Switzerland |
2020-05-31 |
| NCT03919812 |
Immunomodulatory Vitamin D in Thalassemia |
https://ClinicalTrials.gov/show/NCT03919812 |
Completed |
Universitas Padjadjaran |
2018-07-15 |
| NCT03890458 |
The Effect of Vitamin D on Fertility |
https://ClinicalTrials.gov/show/NCT03890458 |
Completed |
Akdeniz University |
2017-11-30 |
| NCT03876704 |
Effects of Fat-soluble Vitamins Supplementation on Common Complications and Neural Development in Very Low Birth Weight Infants |
https://ClinicalTrials.gov/show/NCT03876704 |
Recruiting |
First Affiliated Hospital Xi’an Jiaotong University |
2019-09-30 |
| NCT03810261 |
Challenges in Achieving Adequate Vitamin D Status in the Adult Population/ Part 2 |
https://ClinicalTrials.gov/show/NCT03810261 |
Active, not recruiting |
Nutrition Institute, Slovenia |
2020-10-31 |
| NCT03792984 |
The Effect of Calcium and Vitamin D Supplements on Metabolic and Hormonal Disturbances in Polycystic Ovary Syndrome Patients |
https://ClinicalTrials.gov/show/NCT03792984 |
Completed |
Damascus University |
2017-10-01 |
| NCT03783273 |
The Influence of Food Matrix Delivery System on the Bioavailability of Vitamin D3 |
https://ClinicalTrials.gov/show/NCT03783273 |
Completed |
University of Aarhus |
2020-05-26 |
| NCT03782805 |
Effect of Vitamin D Supplementation on Inflammatory Markers |
https://ClinicalTrials.gov/show/NCT03782805 |
Completed |
Université d’Auvergne |
2018-06-07 |
| NCT03773809 |
Impact of Vitamin D3 Administration on Cardiac Autonomic Tone in Asthma Chronic Obstructive Pulmonary Disease(COPD) Overlap Patients |
https://ClinicalTrials.gov/show/NCT03773809 |
Completed |
Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh |
2018-06-30 |
| NCT03742505 |
Rapid Normalization of Vitamin D Deficiency in PICU |
https://ClinicalTrials.gov/show/NCT03742505 |
Recruiting |
Children’s Hospital of Eastern Ontario |
2023-05-31 |
| NCT03735303 |
Effect of Vitamin D3 and Omega-3FA on Leptin and HbA1C With Vitamin D Deficiency |
https://ClinicalTrials.gov/show/NCT03735303 |
Completed |
Applied Science Private University |
2019-03-01 |
| NCT03734744 |
PK/PD of Vitamin D3 in Adults With CF |
https://ClinicalTrials.gov/show/NCT03734744 |
Recruiting |
University of Southern California |
2019-11-01 |
| NCT03718182 |
Can Vitamin D Supplementation in People With Crohn’s Disease Improve Symptoms as an Adjunct Therapy? |
https://ClinicalTrials.gov/show/NCT03718182 |
Recruiting |
University Hospital Birmingham NHS Foundation Trust |
2020-11-30 |
| NCT03695562 |
Stability of Implants Placed in Patients With Vitamin D Deficiency Using Sequential Drilling vs a Single Drilling Design |
https://ClinicalTrials.gov/show/NCT03695562 |
Active, not recruiting |
Cairo University |
2020-11-27 |
| NCT03686150 |
Vitamin D Supplementation in Children With Obesity-Related Asthma |
https://ClinicalTrials.gov/show/NCT03686150 |
Active, not recruiting |
IDeA States Pediatric Clinical Trials Network |
2021-01-31 |
| NCT03649802 |
Vitamin D and Arterial Stiffness in Elderly |
https://ClinicalTrials.gov/show/NCT03649802 |
Enrolling by invitation |
Texas Tech University Health Sciences Center |
2021-12-31 |
| NCT03648528 |
Cholecalciferol Supplementation Effect on Parathyroid Hormone in Hemodialysis Patients |
https://ClinicalTrials.gov/show/NCT03648528 |
Completed |
Cooperativa Asistencia Sindicato Médico Uruguay |
2018-05-31 |
| NCT03644212 |
Vitamin D Increases Serum Levels of the Soluble Receptor for Advanced Glycation End Products in Women With PCOS |
https://ClinicalTrials.gov/show/NCT03644212 |
Completed |
Maimonides Medical Center |
2013-09-30 |
| NCT03613116 |
High-dose Vitamin D Supplements in Older Adults |
https://ClinicalTrials.gov/show/NCT03613116 |
Recruiting |
University of California, Davis |
2022-03-30 |
| NCT03602430 |
Cholecalciferol on Hemodialysis Patients |
https://ClinicalTrials.gov/show/NCT03602430 |
Completed |
Ain Shams University |
2018-09-15 |
| NCT03602261 |
Safety, Efficacy, PK and PD of CTAP101 (Calcifediol) ER Capsules for SHPT in HD Patients VDI |
https://ClinicalTrials.gov/show/NCT03602261 |
Recruiting |
OPKO Health, Inc. |
2020-12-31 |
| NCT03588884 |
Repeated-dose Safety, Efficacy, PK and PD of CTAP101, IR Calcifediol, High-dose Cholecalciferol, and Paricalcitol Plus Low-dose Cholecalciferol in Patients With SHPT, CKD 3-4 and VDI |
https://ClinicalTrials.gov/show/NCT03588884 |
Recruiting |
OPKO Health, Inc. |
2020-03-17 |
| NCT03544671 |
Effect of Vitamin D3 Supplementation in Children From 12 to 30 Months of Age. |
https://ClinicalTrials.gov/show/NCT03544671 |
Completed |
Instituto Nacional de Salud Publica, Mexico |
2017-06-18 |
| NCT03536845 |
Vitamin D Supplementation to Prevent Vitamin D Deficiency for Children With Epilepsy |
https://ClinicalTrials.gov/show/NCT03536845 |
Recruiting |
King Saud University |
2021-01-01 |
| NCT03521492 |
Vitamin D Status With Early Childhood Caries |
https://ClinicalTrials.gov/show/NCT03521492 |
Completed |
Ministry of Health, Saudi Arabia |
2018-02-20 |
| NCT03504280 |
Changes in Serum Vitamin D Level After Different Loading Doses of Cholecalciferol |
https://ClinicalTrials.gov/show/NCT03504280 |
Completed |
Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh |
2017-08-31 |
| NCT03478475 |
Vitamin D Supplementation and and Glycemic Indexes |
https://ClinicalTrials.gov/show/NCT03478475 |
Completed |
Université d’Auvergne |
2015-09-19 |
| NCT03472833 |
High-dose Vitamin D3 in Pancreas Cancer |
https://ClinicalTrials.gov/show/NCT03472833 |
Recruiting |
Medical University of Graz |
2020-05-31 |
| NCT03463642 |
The Efficacy of Different Vitamin D Supplementation Delivery Methods |
https://ClinicalTrials.gov/show/NCT03463642 |
Completed |
University of Wolverhampton |
2017-04-04 |
| NCT03420378 |
Central Sensitization in Vitamin D Deficiency |
https://ClinicalTrials.gov/show/NCT03420378 |
Completed |
Marmara University |
2018-12-19 |
| NCT01268176 |
The Effect of a Meal on Vitamin D Absorption |
https://ClinicalTrials.gov/show/NCT01268176 |
Completed |
Tufts University |
2012-06-30 |
| NCT01268111 |
Effect of Vitamin D Replacement on Insulin Sensitivity |
https://ClinicalTrials.gov/show/NCT01268111 |
Completed |
Texas Tech University Health Sciences Center |
2012-03-31 |
| NCT01250899 |
Vitamin D in HIV-Infected Patients on HAART |
https://ClinicalTrials.gov/show/NCT01250899 |
Completed |
University of California, Los Angeles |
2012-06-30 |
| NCT01244204 |
Role of Vitamin D in Innate Immunity to Tuberculosis |
https://ClinicalTrials.gov/show/NCT01244204 |
Completed |
Harvard School of Public Health |
2010-05-31 |
| NCT01240512 |
DAYLIGHT: Vitamin D Therapy in Individuals at High Risk of Hypertension |
https://ClinicalTrials.gov/show/NCT01240512 |
Completed |
Massachusetts General Hospital |
2013-10-31 |
| NCT01240265 |
Vitamin D Supplementation in Breastfeeding Women |
https://ClinicalTrials.gov/show/NCT01240265 |
Completed |
Mayo Clinic |
2011-08-31 |
| NCT01240213 |
Vitamin D, Diet and Activity Study |
https://ClinicalTrials.gov/show/NCT01240213 |
Completed |
Fred Hutchinson Cancer Research Center |
2012-08-31 |
| NCT01229878 |
Vitamin D Supplementation in Kidney Disease |
https://ClinicalTrials.gov/show/NCT01229878 |
Recruiting |
VA Office of Research and Development |
2021-01-01 |
| NCT01229189 |
Evaluation of the Effectiveness of Vitamin D Supplementation to Pregnant Women and Their Infants in Pakistan. |
https://ClinicalTrials.gov/show/NCT01229189 |
Completed |
Aga Khan University |
2011-08-31 |
| NCT01214928 |
Hemodialysis Vitamin D Pilot |
https://ClinicalTrials.gov/show/NCT01214928 |
Completed |
St. Joseph’s Healthcare Hamilton |
2011-05-31 |
| NCT01190683 |
Vitamin D and Muscle Strength and Surface (Electromyography) EMG |
https://ClinicalTrials.gov/show/NCT01190683 |
Completed |
Indian Council of Medical Research |
2011-04-30 |
| NCT01187459 |
Vitamin D in Pediatric Crohn’s Disease |
https://ClinicalTrials.gov/show/NCT01187459 |
Completed |
University of British Columbia |
2012-02-29 |
| NCT01180946 |
Vitamin D Deficiency in Adolescent Girls |
https://ClinicalTrials.gov/show/NCT01180946 |
Completed |
Massachusetts General Hospital |
2013-04-30 |
| NCT01175798 |
Impact of Vitamin D Repletion in Hemodialysis Patients |
https://ClinicalTrials.gov/show/NCT01175798 |
Completed |
Mehrotra, Anita, M.D. |
2013-08-31 |
| NCT02022475 |
Effect of Vitamin D Treatment on Fatigue |
https://ClinicalTrials.gov/show/NCT02022475 |
Completed |
University of Zurich |
2015-05-31 |
| NCT01170494 |
Effect of Vitamin D Oral Supplements on 25 OH Vitamin D Levels |
https://ClinicalTrials.gov/show/NCT01170494 |
Completed |
King Faisal Specialist Hospital & Research Center |
2016-04-30 |
| NCT01170273 |
Vitamin D in Vulnerable Adults (VIVA-VA) |
https://ClinicalTrials.gov/show/NCT01170273 |
Completed |
VA Office of Research and Development |
2014-06-30 |
| NCT01168544 |
Daily Vitamin D Supplementation Compared to a Loading Dose and Monthly Supplementation in Elderly Nursing Home Residents |
https://ClinicalTrials.gov/show/NCT01168544 |
Completed |
Rijnstate Hospital |
NA |
| NCT01166165 |
Effect of Vitamin D Replacement During Winter Months in Patients With Hypertension |
https://ClinicalTrials.gov/show/NCT01166165 |
Completed |
Regional Hospital Holstebro |
2011-04-30 |
| NCT01141972 |
The Role of Vitamin D in Menopause: Relationship to Menopausal Symptoms in Body Composition |
https://ClinicalTrials.gov/show/NCT01141972 |
Completed |
Kaiser Permanente |
2012-02-29 |
| NCT01130181 |
VITdAL@ICU - Correction of Vitamin D Deficiency in Critically Ill Patients |
https://ClinicalTrials.gov/show/NCT01130181 |
Completed |
Medical University of Graz |
2012-09-30 |
| NCT01119378 |
Study to Observe the Capability to Absorb Calcium as an Measure of Adequate Levels of Vitamin D |
https://ClinicalTrials.gov/show/NCT01119378 |
Completed |
Winthrop University Hospital |
2013-12-31 |
| NCT01112891 |
Vitamin D in Pregnancy and Lactation |
https://ClinicalTrials.gov/show/NCT01112891 |
Completed |
University of British Columbia |
2012-08-31 |
| NCT01093417 |
Study of Vitamin D and Effect on Heart Disease and Insulin Resistance |
https://ClinicalTrials.gov/show/NCT01093417 |
Completed |
University Hospitals Cleveland Medical Center |
2010-10-31 |
| NCT01090206 |
Correlation Between Vitamin D Status and Bone Mineral Density in Patients With Hemophilia |
https://ClinicalTrials.gov/show/NCT01090206 |
Completed |
Virginia Commonwealth University |
2013-03-31 |
| NCT01068418 |
Vitamin D Supplementation Reduces Renin-Angiotensin System Activity in Obesity |
https://ClinicalTrials.gov/show/NCT01068418 |
Completed |
Brigham and Women’s Hospital |
2011-09-30 |
| NCT01067898 |
A Study on Oral Vitamin D Megadoses |
https://ClinicalTrials.gov/show/NCT01067898 |
Completed |
Helsinki University Central Hospital |
2011-05-31 |
| NCT01058720 |
Efficacy of Daily Vitamin D3 Supplementation in Normal Weight Adolescents |
https://ClinicalTrials.gov/show/NCT01058720 |
Completed |
Mayo Clinic |
2011-01-31 |
| NCT01050387 |
Effects of Vitamin D Dose and Genotype of the Binding Protein in Infants and Children |
https://ClinicalTrials.gov/show/NCT01050387 |
Completed |
Yale University |
2013-02-28 |
| NCT01049048 |
The Effect of Vitamin D Statues on Endothelial Function |
https://ClinicalTrials.gov/show/NCT01049048 |
Completed |
University of Wisconsin, Madison |
2010-10-31 |
| NCT01029392 |
Prevalence of Vitamin D Deficiency in Type 1 Diabetes Mellitus and Effect of Supplementation on Insulin Requirements |
https://ClinicalTrials.gov/show/NCT01029392 |
Completed |
William Beaumont Hospitals |
2012-06-30 |
| NCT01025128 |
Vitamin D Status in Males in Jerusalem Area and Its Correlation to Parathyroid Hormone (PTH) Level and Bone Mineral Density |
https://ClinicalTrials.gov/show/NCT01025128 |
Completed |
Clalit Health Services |
2014-07-31 |
| NCT01024777 |
Safety and Immunologic Effect of Low Dose Versus High Dose Vitamin D3 in Multiple Sclerosis |
https://ClinicalTrials.gov/show/NCT01024777 |
Completed |
Johns Hopkins University |
2013-01-31 |
| NCT01023490 |
Vitamin D Treatment to Patients Suffering From Chronic Pain and Vitamin D Hypovitaminosis |
https://ClinicalTrials.gov/show/NCT01023490 |
Completed |
Tel-Aviv Sourasky Medical Center |
2012-10-31 |
| NCT01016184 |
Influence of Vitamin D Treatment on Multi-systemic Functions in Young Men With Vitamin D Deficiency Due to Work Conditions |
https://ClinicalTrials.gov/show/NCT01016184 |
Completed |
Rambam Health Care Campus |
2012-03-31 |
| NCT01013584 |
The Effect of Weight on Vitamin D Dose Response |
https://ClinicalTrials.gov/show/NCT01013584 |
Completed |
Creighton University |
2011-06-30 |
| NCT01004354 |
Vitamin D Supplementation in Psychiatric Illnesses |
https://ClinicalTrials.gov/show/NCT01004354 |
Completed |
University of Massachusetts, Worcester |
2010-06-30 |
| NCT00996866 |
Vitamin D Supplementation Requirement in Obese Subjects |
https://ClinicalTrials.gov/show/NCT00996866 |
Completed |
Winthrop University Hospital |
2011-06-30 |
| NCT00968877 |
Vitamin D and Chronic Renal Insufficiency |
https://ClinicalTrials.gov/show/NCT00968877 |
Completed |
Odense University Hospital |
2009-12-31 |
| NCT00968734 |
Vitamin D Status After Single Oral Dose of Cholecalciferol in Low Fat Meal Compared to High-fat Meal |
https://ClinicalTrials.gov/show/NCT00968734 |
Completed |
Federal University of Rio Grande do Sul |
2009-10-31 |
| NCT00960232 |
Vitamin D, Blood Pressure, Lipids, Infection and Depression |
https://ClinicalTrials.gov/show/NCT00960232 |
Completed |
University of Tromso |
2010-12-31 |
| NCT00958451 |
Vitamin D Deficiency in Chronic Kidney Disease (CKD) Patients |
https://ClinicalTrials.gov/show/NCT00958451 |
Completed |
Salem Veterans Affairs Medical Center |
2011-01-31 |
| NCT00957879 |
Different Vitamin D Preparations & FGF23 in Humans |
https://ClinicalTrials.gov/show/NCT00957879 |
Completed |
Massachusetts General Hospital |
2010-09-30 |
| NCT00948298 |
Effect of Vitamin D3 on Vascular Function |
https://ClinicalTrials.gov/show/NCT00948298 |
Completed |
Charles Drew University of Medicine and Science |
2011-07-31 |
| NCT00933244 |
Treatment of Vitamin D Insufficiency |
https://ClinicalTrials.gov/show/NCT00933244 |
Completed |
University of Wisconsin, Madison |
2014-08-31 |
| NCT00921622 |
Vitamin Deficiency and Blood Pressure in Hospitalized Jewish General Hospital (JGH) Patients |
https://ClinicalTrials.gov/show/NCT00921622 |
Completed |
Jewish General Hospital |
2009-10-31 |
| NCT00909454 |
Vitamin D Supplement Study for Adolescents |
https://ClinicalTrials.gov/show/NCT00909454 |
Completed |
Augusta University |
2009-03-31 |
| NCT00893451 |
Study of Vitamin D3 Supplementation in Patients With Chronic Kidney Disease |
https://ClinicalTrials.gov/show/NCT00893451 |
Completed |
Sahlgrenska University Hospital, Sweden |
2011-06-30 |
| NCT00886379 |
Blue Sky Study: Impact of Milk and Vitamin D for Child Growth and Health |
https://ClinicalTrials.gov/show/NCT00886379 |
Completed |
Brigham and Women’s Hospital |
2009-03-31 |
| NCT00882505 |
Comparison of 25-hydroxy Vitamin D Level in Caucasian Women Receiving Vitamin D Supplementation and Not Receiving Supplementation: a Randomized Controlled Trial. |
https://ClinicalTrials.gov/show/NCT00882505 |
Completed |
Northwestern University |
2010-08-31 |
| NCT00882401 |
Vitamin D, Chronic Kidney Disease (CKD) and the Microcirculation |
https://ClinicalTrials.gov/show/NCT00882401 |
Completed |
Barts & The London NHS Trust |
2010-10-31 |
| NCT03233295 |
A Prospective, Single-centre, Open-label Study to Confirm the Efficacy and Safety of Vitamin D3 B.O.N. Intramuscular Injection in Adults With Vitamin D Deficiency |
https://ClinicalTrials.gov/show/NCT03233295 |
Completed |
Kwang Dong Pharmaceutical co., ltd. |
2016-08-27 |
| NCT01037140 |
Effects of Vitamin D Supplementation in Obesity |
https://ClinicalTrials.gov/show/NCT01037140 |
Completed |
University of Aarhus |
2011-12-31 |
| NCT03813927 |
Vitamin D Treatment of Diabetic Patients With Foot Ulcers |
https://ClinicalTrials.gov/show/NCT03813927 |
Completed |
Zealand University Hospital |
2017-12-31 |
| NCT01503216 |
Safety and Bioefficacy of Vitamin D2 and Vitamin D3 |
https://ClinicalTrials.gov/show/NCT01503216 |
Completed |
Martin-Luther-Universität Halle-Wittenberg |
2012-05-31 |
| NCT01465178 |
Improving the Understanding of the Response to Vitamin D Supplementation |
https://ClinicalTrials.gov/show/NCT01465178 |
Completed |
University of Wisconsin, Madison |
2014-12-31 |
| NCT04005612 |
Effect of Vitamin d and Omega 3 on Osteocalcin |
https://ClinicalTrials.gov/show/NCT04005612 |
Active, not recruiting |
Applied Science Private University |
2020-02-01 |
| NCT03405207 |
Vitamin D Deficiency Treatment Outcomes After Non-ST-Segment Elevation Myocardial Infarction |
https://ClinicalTrials.gov/show/NCT03405207 |
Recruiting |
Isfahan University of Medical Sciences |
2018-10-01 |
| NCT03264625 |
The Effects of Oral Vitamin D Supplementation on the Prevention of Peritoneal Dialysis-related Peritonitis |
https://ClinicalTrials.gov/show/NCT03264625 |
Recruiting |
Peking University First Hospital |
2020-09-30 |
| NCT02158598 |
Comparison of Changes in Serum 25(OH)D Concentrations Following Vitamin D Supplementation With Chewable Tablets Versus Pills |
https://ClinicalTrials.gov/show/NCT02158598 |
Completed |
CHU de Quebec-Universite Laval |
2017-12-31 |
| NCT01512537 |
Alternative Treatments of Vitamin D Deficiency |
https://ClinicalTrials.gov/show/NCT01512537 |
Completed |
Lund University |
2011-04-30 |
| NCT03609970 |
Vitamin D and Immunity: Photosynthesis Versus Supplementation |
https://ClinicalTrials.gov/show/NCT03609970 |
Completed |
Guy’s and St Thomas’ NHS Foundation Trust |
2017-04-14 |
| NCT03490448 |
The Changes of Body Composition, Glucolipid Metabolism and Bone Metabolism in Obese Children After Weight Loss |
https://ClinicalTrials.gov/show/NCT03490448 |
Completed |
Xinhua Hospital, Shanghai Jiao Tong University School of Medicine |
2014-08-16 |
| NCT03437421 |
Myocardial Function and Vitamin D Supplementation in Diabetes. |
https://ClinicalTrials.gov/show/NCT03437421 |
Recruiting |
University of Avignon |
2020-12-31 |
| NCT00789503 |
Nursing-Home Residents Given Bread Fortified With Vitamin D3 |
https://ClinicalTrials.gov/show/NCT00789503 |
Completed |
University of Toronto |
2005-12-31 |
| NCT00752102 |
Vitamin D and Coronary Calcification Study |
https://ClinicalTrials.gov/show/NCT00752102 |
Completed |
Joslin Diabetes Center |
2013-10-31 |
| NCT00749918 |
Effect of Vitamin D Deficiency and Vitamin D Supplementation on Glucose Metabolism |
https://ClinicalTrials.gov/show/NCT00749918 |
Completed |
University of Minnesota |
2008-06-30 |
| NCT00743574 |
Health Benefits of Vitamin D and Calcium in Women With PCOS (Polycystic Ovarian Syndrome) |
https://ClinicalTrials.gov/show/NCT00743574 |
Completed |
Yale University |
2013-02-28 |
| NCT00742235 |
hCAP18 Levels and Vitamin D Deficiency in Healthy Subjects |
https://ClinicalTrials.gov/show/NCT00742235 |
Completed |
Massachusetts General Hospital |
2012-01-31 |
| NCT00736632 |
Vitamin D, Insulin Resistance, and Cardiovascular Disease |
https://ClinicalTrials.gov/show/NCT00736632 |
Completed |
Washington University School of Medicine |
2019-01-13 |
| NCT00723385 |
Effects of Vitamin D on Lipids |
https://ClinicalTrials.gov/show/NCT00723385 |
Completed |
University of California, San Francisco |
2012-07-31 |
| NCT00697294 |
Impact of Vitamin D Status on Bones in Breastfed Infants |
https://ClinicalTrials.gov/show/NCT00697294 |
Completed |
Baylor College of Medicine |
2011-07-31 |
| NCT00692120 |
Clinical Approaches to Correcting Vitamin D Inadequacy and Maintaining Adequacy |
https://ClinicalTrials.gov/show/NCT00692120 |
Completed |
University of Wisconsin, Madison |
2008-11-30 |
| NCT00690417 |
Vitamin D Inadequacy in Rural Populations, Evaluation of Correction by Food Supplementation |
https://ClinicalTrials.gov/show/NCT00690417 |
Completed |
University of Wisconsin, Madison |
2011-08-31 |
| NCT00685971 |
Cholecalciferol for Vitamin D in Adult Cystic Fibrosis (CF) Patients |
https://ClinicalTrials.gov/show/NCT00685971 |
Completed |
St. Michael’s Hospital, Toronto |
2013-07-31 |
| NCT00682214 |
Cholecalciferol Supplementation, Muscle Strength |
https://ClinicalTrials.gov/show/NCT00682214 |
Completed |
Indian Council of Medical Research |
2008-11-30 |
| NCT00674154 |
Effect of Vitamin D Treatment in Primary Hyperparathyroidism |
https://ClinicalTrials.gov/show/NCT00674154 |
Completed |
University of Aarhus |
2013-08-31 |
| NCT00662844 |
Vitamin D Supplementation in Younger Women |
https://ClinicalTrials.gov/show/NCT00662844 |
Completed |
Creighton University |
2011-08-31 |
| NCT00610688 |
Controlled Trial of Prenatal Vitamin D3 Supplementation to Prevent Vitamin D Deficiency in Mothers and Their Infants |
https://ClinicalTrials.gov/show/NCT00610688 |
Completed |
Children’s Hospital Medical Center, Cincinnati |
2011-06-30 |
| NCT00581828 |
Does Treatment of Hypovitaminosis D Increase Calcium Absorption? |
https://ClinicalTrials.gov/show/NCT00581828 |
Completed |
University of Wisconsin, Madison |
2008-07-31 |
| NCT00497900 |
The Effect of Calcium and Vitamin D in Patients With Heart Failure |
https://ClinicalTrials.gov/show/NCT00497900 |
Completed |
Hvidovre University Hospital |
2011-09-30 |
| NCT00494104 |
Prevention of Vitamin D Deficiency |
https://ClinicalTrials.gov/show/NCT00494104 |
Completed |
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) |
2011-09-30 |
| NCT00491322 |
Vitamin D Deficiency, Insulin Resistance and FGF-23 |
https://ClinicalTrials.gov/show/NCT00491322 |
Completed |
Massachusetts General Hospital |
2008-02-29 |
| NCT00473317 |
Sunlight Exposures Effect on Serum Vitamin D Levels |
https://ClinicalTrials.gov/show/NCT00473317 |
Completed |
Creighton University |
2007-09-30 |
| NCT00473239 |
The Pharmacokinetics of a Single Large Dose of Vitamin D3 |
https://ClinicalTrials.gov/show/NCT00473239 |
Completed |
Creighton University |
2007-03-31 |
| NCT00427037 |
Cholecalciferol (Vitamin D3) Therapy in Chronic Kidney Disease (CKD) Subjects |
https://ClinicalTrials.gov/show/NCT00427037 |
Completed |
Atlanta VA Medical Center |
2006-07-31 |
| NCT00423358 |
Treatment of Hypovitaminosis D in Rheumatoid Arthritis |
https://ClinicalTrials.gov/show/NCT00423358 |
Completed |
University of Wisconsin, Madison |
2008-08-31 |
| NCT00416715 |
Vitamin D Deficiency, Muscle Pain, Joint Pain, and Joint Stiffness in Postmenopausal Women Receiving Letrozole For Stage I-III Breast Cancer |
https://ClinicalTrials.gov/show/NCT00416715 |
Completed |
University of Washington |
2010-05-31 |
| NCT00415402 |
Effect of Vitamin D Supplementation on Health of Low Birth Weight Infants |
https://ClinicalTrials.gov/show/NCT00415402 |
Completed |
Delhi University |
2010-07-31 |
| NCT00412087 |
Vitamin D Status of Pregnant Women and Their Children in Eau Claire, South Carolina |
https://ClinicalTrials.gov/show/NCT00412087 |
Completed |
Medical University of South Carolina |
2009-07-31 |
| NCT00412074 |
Establishing the Vitamin D Requirements During Lactation |
https://ClinicalTrials.gov/show/NCT00412074 |
Completed |
Medical University of South Carolina |
2012-10-31 |
| NCT00381914 |
Vitamin D Dose-Response Study to Establish Dietary Requirements in Infants |
https://ClinicalTrials.gov/show/NCT00381914 |
Completed |
McGill University |
2011-09-30 |
| NCT00327847 |
Optimizing Vitamin D Nutrition in Healthy Adults |
https://ClinicalTrials.gov/show/NCT00327847 |
Completed |
Winthrop University Hospital |
2006-12-31 |
| NCT00292591 |
Evaluation of Vitamin D Requirements During Pregnancy |
https://ClinicalTrials.gov/show/NCT00292591 |
Completed |
Medical University of South Carolina |
2010-01-31 |
| NCT00288873 |
Characterization of Hyperparathyroidism and Vitamin D Deficiency in Obesity |
https://ClinicalTrials.gov/show/NCT00288873 |
Completed |
Weill Medical College of Cornell University |
2007-07-31 |
| NCT00273611 |
Vitamin D Levels and Vitamin D Education in Geriatric Patients |
https://ClinicalTrials.gov/show/NCT00273611 |
Completed |
University of Colorado, Denver |
2006-05-31 |
| NCT00267540 |
The Effect of Vitamin D on Bone Accretion and Turn-Over in Young Girls |
https://ClinicalTrials.gov/show/NCT00267540 |
Completed |
University of Copenhagen |
NA |
| NCT00242476 |
A Study to Assess the Effectiveness of an Investigational Drug in Elderly Subjects With Low Vitamin D Levels (0822A-009) |
https://ClinicalTrials.gov/show/NCT00242476 |
Completed |
Merck Sharp & Dohme Corp. |
2006-07-31 |
| NCT00235586 |
Vitamin D Deficiency: Bone Loss and Vascular Dysfunction |
https://ClinicalTrials.gov/show/NCT00235586 |
Completed |
University of Kansas Medical Center |
NA |
| NCT00204919 |
Vitamin D Administration in the Nursing Home |
https://ClinicalTrials.gov/show/NCT00204919 |
Completed |
University of Wisconsin, Madison |
2004-05-31 |
| NCT00204906 |
Correction of Vitamin D Inadequacy in Nursing Home Residents |
https://ClinicalTrials.gov/show/NCT00204906 |
Completed |
University of Wisconsin, Madison |
2009-01-31 |
| NCT00092079 |
A Study of MK0217A and Dietary Supplement in Men and Postmenopausal Women With Osteoporosis (0217A-227) |
https://ClinicalTrials.gov/show/NCT00092079 |
Completed |
Merck Sharp & Dohme Corp. |
2004-11-30 |
| NCT00092066 |
A Study to Evaluate the Safety, Tolerability, and Efficacy of an Investigational Drug and Dietary Supplement in Men and Postmenopausal Women With Osteoporosis (0217A-227) |
https://ClinicalTrials.gov/show/NCT00092066 |
Completed |
Merck Sharp & Dohme Corp. |
2004-05-01 |
| NCT00681590 |
Safety of Vitamin D Supplementation in Older Persons |
https://ClinicalTrials.gov/show/NCT00681590 |
Completed |
University of Miami |
2009-04-30 |